China SIP Tunnel Industrial Emergency Weatherproof Resistant Telephone for Roadside, Find details about China Moisture Proof Telephone, Waterproof Tunnel Telephone from SIP Tunnel Industrial Emergency Weatherproof Resistant Telephone for Roadside
Analogue Version | |
Power Supply | From the analogue telephone network |
Supply Voltage | 24 VDC to 65 VDC |
Supply Current | 20 mA DC to 100 mA DC |
Ringer Volume | - 80dB(A) at a distance of 1 m |
- 110dB(A) at a distance of 1 m (for external horn speaker) | |
Dialing Method | DTMF mode in accordance with ITU-T recommendation Q.23. |
SIP Version | |
Power Supply | PoE or 12V DC |
Power Consumption | -Idle:1.5W -Active:1.8W |
SIP Protocol | SIP 2.0 (RFC3261) |
Support Codec | G.711 A/U, G.722 8000/16000, G.723, G.729 |
Communication Type | Full duplex |
Ringer volume | - 90~95dB(A) at a distance of 1 m - 110dB(A) at a distance of 1 m (for external horn speaker) |
3G Version | |
Power Supply | 12V DC |
Power Consumption | -Idle:0.3W -Active: 1.5W |
Communication Type | Full duplex |
Ringer volume | 90~95dB(A) at a distance of 1 m |
Program Method | Remote programming by SMS |
Frequency | A version: - Dual-Band WCDMA/HSDPA 850/1900MHz - Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz E version: - Dual-Band UMTS/HSDPA 900/2100MHz - Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz J version: - Dual-Band UMTS/HSDPA 850(800)/2100MHz - Quad-Band GSM/GPRS/EDGE 850/900/1800/1900MHz |
Ambient conditions | |
Protection type | IP 66 as per EN60529 |
Operating temperature | -25°C to +70°C |
Storage temperature | -25°C to +85°C |